package com.xucy.springboot.designmodel.behavioral.strategy;

/**
 * @Author xucy
 * @Date 2019-07-28 10:31
 * @Description
 **/
public interface Promotion {

    /**
     * 促销
     *
     * @Author xucy
     * @Date 10:32 2019-07-28
     * @param
     * @return
     */
    void promotion();
}
